influenza vaccine (surface antigen, inactivated) · Medicine question

How much haemagglutinin from each strain does a 0.5 mL dose of the 2026/2027 formulation of Cell-based Trivalent Influenza Vaccine Seqirus contain?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Each 0.5 mL dose of the 2026/2027 Cell-based Trivalent Influenza Vaccine Seqirus contains 15 micrograms of haemagglutinin from each of the A/Missouri/11/2025 (H1N1)pdm09-like, A/Darwin/1415/2025 (H3N2)-like and B/Pennsylvania/14/2025-like strains.

Sources for this answer

Cell-based Trivalent Influenza Vaccine SeqirusSeqirus UK Limited · emc · SmPC §2 Qualitative and quantitative composition · Version 4Document updated 29 July 2026

Sources checked 8 November 2026

loading page…

Answer

Sources for this answer

Answer

Sources for this answer

More questions about influenza vaccine (surface antigen, inactivated)